2004 · Markus Kogel-Hollacher, Thomas Nicolay, et al. · Pacific International Conference on Laser Materials Processing, Micro, Nano and Ultrafast Fabrication (PICALO) · 6
2008 · Markus Kogel-Hollacher, Jürgen Müller-Borhanian, et al. · Pacific International Conference on Laser Materials Processing, Micro, Nano and Ultrafast Fabrication (PICALO)